L921 Single Pump Control Panel with Enhanced Water Pump Protection

• Customization: Available
• Task: Program
• Structure: Closed-Loop
• Model NO.: L921
• Mathematical Model: Non-Linear
• Signal: Continuous
• Function: Automatic Control
• Certification: ISO: 9001, CE
• Condition: New
• Customized: Customized
• Material: ABS
• Transport Package: Paper Carton
• Specification: 6 pcs/carton
• Trademark: Neutral
• Origin: China
• HS Code: 9032899090
• Production Capacity: 100000PCS/Year
• Package Size: 45.00cm * 35.00cm * 18.00cm
• Package Gross Weight: 5.000kg

Product Description

Product Description

NO.1 About Product

Description
Introducing the remarkable high-quality Electric Single Pump Control Panel (L921) - an essential solution for water pump distributors.
The L921 Pump Controller is a state-of-the-art, intelligent, single-phase, fully automatic controller designed to seamlessly manage your pump operations with an integrated water level control.

This controller is an invaluable asset for water and wastewater applications, encompassing a wide range of tasks such as water transfer, tank filling, tank emptying, and even pressure boosting in hydro-pneumatic systems. Encased in a robust ABS enclosure, it ensures weather-proof installation and offers versatile Auto/Manual operation modes.

Parameter form

General details
Model	L921
Main technical data
Start type	Direct on line
Qty of controlled pump	Single pump
Rated input voltage	AC220V-240V Single phase 50HZ/ 60HZ
Rated output power	0. 37kw-2.2kw (0.5hp-3hp) 3kw-4kw (4hp-5.5hp)
Capacitor	Reserved space for installing stsrt capacitor
Protection function	Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection
Application & Control characteristic	Control and protect general pump Using water level sensor , float switch or pressure switch or level/pressure transmitter to control pump start and stop Applied for water supply by liquid level control through float switch or liquid probe Applied for water supply by pressure control through pressure switch and pressure tank Applied for drainage by liquid level control through float switch or liquid probe
Other features	Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust Present one dry contact point(BA port) LCD screen locked function under anto state Present RS485 port Present user remote monitor Push button calibration
Main installation data
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H)	-25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310×220×120mm

Typical Application Example


Typical usage scenarios include
- Residential Homes
- Apartment Complexes
- Vacation Properties
- Agricultural Farms
- Water Supply from Wells
- Irrigation for Greenhouses, Gardens, and Agricultural Fields
- Rainwater Reuse Systems
- Industrial Facilities
- Wastewater and Sewage Management in Tanks/Sinks

NO.2 About us

1)Company Information
Brief Introduction
Since 2001, Leading Science & Technology has been at the forefront of providing innovative pump control and protection solutions to users worldwide.
Today, Leading Science & Technology caters to the dynamic needs of the pump control and protection industry with a comprehensive array of control panels and accessories.

Our product line includes Intelligent Pump Controllers, Sewage Pump Controllers, Booster Pump Controllers, Deep Well Pump Control Boxes, Submersible Pump Controllers, Pump Motor Starters, Programmable Logic Controllers, IoT Pump Controllers, and Reverse Osmosis Controllers.

For more information, please visit: pumpcontroller.en.made-in-china.com

Our office & Team

Leading Science & Technology boasts three pivotal departments:
1. Sales Team
2. Research & Development (R&D) Team
3. Production Team
Our Sales Team gathers vital information and technical specifications from pump manufacturers, distributors, and users, which is relayed to our R&D Team. The R&D Team meticulously evaluates, researches, develops, and tests the controllers. Upon successful validation, our Production Team takes over to produce the final product.

Through collaborative efforts across our team, Leading Company has pioneered many unique technologies for the pump industry.

2)Our Trading Fair & Communication & Feedback

NO.3 Our production capacity

We cordially invite you to experience our facility through a factory field trip.

N0.4 FAQ
Can I request samples?
Absolutely! We are pleased to provide samples for testing. Please contact us for more details.
What is the delivery time?
For standard pump control panels, the typical delivery time is approximately 7 working days.
For non-standard items, the delivery timeframe is usually 15-20 days. Please reach out to us for more information.
Is OEM or ODM available?
Yes, we welcome OEM and ODM requests with our dedicated engineering team, subject to a minimum order quantity.
How does your factory maintain impeccable quality control?
Rooted in the prestigious ISO standards, our production process ensures pristine quality every step of the way-from raw materials to the final polished product. Every Reliable Single Pump Control Panel is meticulously assembled and undergoes rigorous testing before it is securely packed and dispatched.
What is the anticipated lifespan of your control panel?
Engineered for longevity, the Reliable Single Pump Control Panel boasts a designed lifetime of up to 8 years, ensuring sustained performance and reliability.
What customer support and after-sales services do you offer?
Depending on the volume of your order, we offer generous after-sales services including complimentary spare parts or controllers for maintenance and replacement, coupled with in-depth technical training to ensure seamless operation.
How can I place my trust in your company and products?
With a rich heritage of 15 years in manufacturing and selling pump control panels, Hunan Leading Science & Technology Development Co., Ltd. has earned the trust of numerous pump suppliers both in China and internationally. Our controllers are widely utilized to efficiently manage and protect pumps and motors.
Where is your location and transportation guide?
Traveling from Guangzhou to Changsha is swift and convenient, taking just 1 hour by air and 2.5 hours by high-speed train.
From the bustling metropolis of Shanghai, journey to Changsha in 1.5 hours by air or 5 hours via high-speed train.
Fly from the capital, Beijing, to Changsha in a brief 2.5 hours.
From the vibrant city of Hong Kong, reach Changsha in a mere 2 hours by air.

Send your inquiries or messages directly to this supplier for a prompt response.